CLAS physics database search results Measurement E216M978 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.0834747 0.0096901 0.00895906 54 0.076626 0.00833523 0.00657985 90 0.076352 0.00664671 0.00713341 126 0.0695189 0.00824677 0.00778283 162 0.0948227 0.00737437 0.00915334 198 0.0815618 0.00644715 0.00831194 234 0.081675 0.0110189 0.00868616 270 0.0829073 0.00738886 0.00568335 306 0.0842006 0.010491 0.01168754 342 0.0705398 0.00890771 0.00868983